5fb57441ec
Fuzzing vfio-user require access to send request api Signed-off-by: Sebastian Brzezinka <sebastian.brzezinka@intel.com> Change-Id: I6c58b8ab4fd3394150bbb3e64b4f95bff93dae6e Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/13881 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com> Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com>
74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright (c) Intel Corporation. All rights reserved.
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*/
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#ifndef _VFIO_INTERNAL_H
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#define _VFIO_INTERNAL_H
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#include <linux/vfio.h>
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#include "spdk/vfio_user_spec.h"
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#define VFIO_USER_MAJOR_VER 0
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#define VFIO_USER_MINOR_VER 1
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/* Maximum memory regions supported */
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#define VFIO_MAXIMUM_MEMORY_REGIONS 128
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/* Maximum sparse memory regions in one BAR region */
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#define VFIO_MAXIMUM_SPARSE_MMAP_REGIONS 8
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struct vfio_memory_region {
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uint64_t iova;
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uint64_t size; /* bytes */
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uint64_t vaddr;
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uint64_t offset;
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int fd;
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TAILQ_ENTRY(vfio_memory_region) link;
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};
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struct vfio_sparse_mmaps {
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void *mem;
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uint64_t offset;
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size_t size;
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};
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struct vfio_pci_region {
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uint64_t offset;
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size_t size;
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uint64_t flags;
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uint32_t nr_mmaps;
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struct vfio_sparse_mmaps mmaps[VFIO_MAXIMUM_SPARSE_MMAP_REGIONS];
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};
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struct vfio_device {
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int fd;
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char name[64];
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char path[PATH_MAX];
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TAILQ_ENTRY(vfio_device) link;
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/* PCI Regions */
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uint32_t pci_regions;
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struct vfio_pci_region regions[VFIO_PCI_NUM_REGIONS + 1];
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uint64_t flags;
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struct spdk_mem_map *map;
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TAILQ_HEAD(, vfio_memory_region) mrs_head;
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uint32_t nr_mrs;
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};
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int vfio_user_dev_setup(struct vfio_device *dev);
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int vfio_user_get_dev_info(struct vfio_device *dev, struct vfio_user_device_info *dev_info,
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size_t buf_len);
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int vfio_user_get_dev_region_info(struct vfio_device *dev, struct vfio_region_info *region_info,
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size_t buf_len, int *fds, int num_fds);
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int vfio_user_dev_dma_map_unmap(struct vfio_device *dev, struct vfio_memory_region *mr, bool map);
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int vfio_user_dev_mmio_access(struct vfio_device *dev, uint32_t index, uint64_t offset, size_t len,
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void *buf, bool is_write);
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/* For fuzzing only */
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int vfio_user_dev_send_request(struct vfio_device *dev, enum vfio_user_command command,
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void *arg, size_t arg_len, size_t buf_len, int *fds,
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int max_fds);
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#endif
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